Lifting sling

Details Lifting sling Lifting sling

2008-07-15

2008-07-15

Rodriguez, Saul J. (Department: 3652)

Handling: hand and hoist-line implements

Hoist-line slings

Reexamination Certificate

active

07399018

ABSTRACT:
A lifting sling and a lifting grommet are disclosed which can be fabricated of a high tensile strength polymeric material, preferably a woven polymer such as liquid crystal polymer fibers, that are woven in a rope or cable configuration. The apparatus features an elongated woven material length of cable that is spliced. Plastic, preferably polyurethane spring cut tube sleeves are positioned as a grip on the splices to allow for handling in the field without concern for the splice becoming disassembled or undone. The sling and grommet of the present invention can each be provided with a clear cover spring cut tube that serves as a flexible protective cover for minimizing abrasion and maintaining the slings appearance.

REFERENCES:
patent: 2558553 (1951-06-01), Hansen et al.
patent: 2643638 (1953-06-01), Villmer
patent: 2947504 (1960-08-01), Ruhlman
patent: 2981053 (1961-04-01), Harrison
patent: 3007300 (1961-11-01), Peterson
patent: 3067570 (1962-12-01), Nischan
patent: 3120734 (1964-02-01), Peterson et al.
patent: 3338046 (1967-08-01), Baur et al.
patent: 5699657 (1997-12-01), Paulson

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